Special-shaped can carrying device and can production line

Abstract

The invention discloses a special-shaped can carrying device and a can production line, and relates to the technical field of can production. When the special-shaped can carrying device carries out can carrying and boxing, a can group on the uppermost layer of a can stack is centered and leveled through a leveling component, and after cans on the same layer are accurately taken away through a first material taking assembly, the cans are conveyed to the first material taking assembly; a partition plate on the uppermost layer of a tank stack is taken away through a second material taking assembly, tank sets carried by a first material taking assembly are continuously received through two layers of material storage platforms, located at different horizontal heights, of a transfer component, and then the tank sets at the material storage positions are orderly carried to a leveling groove through a second carrying component for final posture adjustment of tank bodies. And finally, the cans on the leveling groove are carried to a boxing line through a third carrying component. Stable carrying of the cans transferred from the can stack to the transfer platform is ensured through the leveling component, final arrangement positioning and posture adjustment are conducted on the cans through the leveling groove in the positioning component, the whole can transfer is more stable, and the production efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of can production, in particular to a special-shaped can conveying device and a can production line. BACKGROUND

[0002] At present, there are still many abnormal production problems in the boxing process of can products, especially for the Douchi Dace can, which is often a special-shaped can. During the conveying process, the Douchi Dace can is prone to deviation, which leads to incorrect placement or material taking position, and finally causes material jamming and affects production efficiency. SUMMARY

[0003] The present application aims to solve one of the above technical problems in the prior art. To this end, the present application provides a special-shaped can conveying device.

[0004] The present application also provides a can production line.

[0005] According to the embodiments of the first aspect of the present application, a special-shaped can conveying device is provided, which comprises a leveling member arranged at a can stack placement position, the leveling member being capable of adjusting the position in the vertical direction, and the leveling member being used for centering and leveling the can group on the uppermost layer of the can stack; A first conveying member is erected above the can stack placement position, which comprises a first material taking assembly and a second material taking assembly capable of performing linear reciprocating motion in the horizontal direction, the first material taking assembly being capable of taking away the can group on the uppermost layer of the can stack, and the second material taking assembly being used for taking away the partition plate on the uppermost layer of the can stack; A transfer member is provided with a material receiving position and a material storage position, and comprises two layers of storage platforms at different horizontal heights, the storage platforms being capable of reciprocating between the material receiving position and the material storage position, and the storage platform located at the material receiving position being capable of receiving the can group dropped from the first material taking assembly; A positioning member comprises at least one leveling groove with adjustable width; A second conveying member comprises a third material taking assembly, the third material taking assembly being capable of reciprocating between the positioning member and the material storage position, and the third material taking assembly being used for taking away the can from the storage platform and transferring it to the leveling groove, so as to level the received cans into a can group with the same posture; A third conveying member is used for conveying the cans on the leveling groove to a boxing line.

[0006] The above-mentioned special-shaped can carrying device has at least the following beneficial effects: when carrying and boxing cans, the can group on the uppermost layer of the can stack is centered and leveled by the leveling member, so as to avoid the deviation of the first material taking assembly when taking the cans on the same layer due to the too large difference in the posture of the cans on the same layer; after the first material taking assembly accurately takes away the cans on the same layer, the second material taking assembly takes away the partition plate on the uppermost layer of the can stack; the two layers of the storage platforms at different horizontal heights of the transfer member continuously receive the can group carried by the first material taking assembly, and the storage position is always available for taking cans, so as to ensure the uninterrupted operation of production; then, the second carrying member carries the can group on the storage position to the leveling groove in an orderly manner to adjust the final posture of the can body; finally, the third carrying member carries the cans on the leveling groove to the boxing line for rapid boxing. The leveling member is additionally arranged to ensure the stable carrying of the cans from the can stack to the transfer platform, the leveling groove with adjustable width on the positioning member is used to finally arrange, position and adjust the posture of the cans, so that the transfer of the cans is more stable, and the production efficiency is effectively improved.

[0007] According to the special-shaped can carrying device provided in the first aspect of the present application, the leveling member comprises two oppositely arranged leveling members, and the two leveling members can move towards each other or move away from each other. The leveling member is used to push against one side of the can in the length direction.

[0008] According to the special-shaped can carrying device provided in the first aspect of the present application, the special-shaped can carrying device further comprises a frame body and a first driving member. At least two ends of the leveling member are provided with sliding structures, and the frame body is provided with guide columns matched with the sliding structures. The horizontal height of the leveling member is adjusted by the first driving member.

[0009] According to the special-shaped can carrying device provided in the first aspect of the present application, the guide column is a rectangular column, and the sliding structure comprises two groups of pulley blocks, and the two groups of pulley blocks are respectively attached to two adjacent sides of the guide column.

[0010] According to the special-shaped can carrying device provided in the first aspect of the present application, the first material taking assembly comprises a first material taking head capable of moving in the vertical direction, and the second material taking assembly comprises a second material taking head capable of moving in the vertical direction. The first material taking head and the second material taking head are both provided with a plurality of arrayed vacuum nozzles.

[0011] According to the special-shaped can carrying device provided in the first aspect of the present application, the two side walls of the leveling groove are both provided with V-shaped notches for positioning the end of the can.

[0012] According to the special-shaped can conveying device in the embodiment of the first aspect of the present application, the positioning member comprises a positioning platform, a first limiting plate, a second limiting plate and a driving member, the first limiting plate is fixedly arranged on the positioning platform, the second limiting plate is slidingly arranged on the positioning platform, the second limiting plate is driven by the driving member to move close to or away from the first limiting plate, thereby forming the flattening groove, and the side of the second limiting plate and the side of the first limiting plate facing each other are provided with the V-shaped notch.

[0013] According to the special-shaped can conveying device in the embodiment of the first aspect of the present application, the second limiting plate is provided with two pieces, and the two pieces of the second limiting plate are arranged on the two sides of the first limiting plate.

[0014] According to the special-shaped can conveying device in the embodiment of the first aspect of the present application, the third material taking assembly comprises a third material taking head capable of moving in a vertical direction, the third material taking head is provided with two rows of vacuum nozzles for adsorbing cans, and the distance between the two rows of vacuum nozzles can be adjusted to be the same as the distance between the two flattening grooves.

[0015] According to the embodiment of the second aspect of the present application, a can production line is provided, which comprises the special-shaped can conveying device in the embodiment of the first aspect.

[0016] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter in the description. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in combination with the drawings and embodiments; Figure 1 is a structural schematic diagram of the special-shaped can conveying device in the embodiment of the present application Figure 1 ; Figure 2 is a structural schematic diagram of the special-shaped can conveying device in the embodiment of the present application Figure 2 ; Figure 3 is a structural schematic diagram of the first conveying member in the embodiment of the present application; Figure 4 is a structural schematic diagram of the special-shaped can conveying device in the embodiment of the present application Figure 3 ; Figure 5 is a structural schematic diagram of the storage frame in the embodiment of the present application; Figure 6 is a structural schematic diagram of the flattening member in the embodiment of the present application; Figure 7 is a structural schematic diagram of the transfer member in the embodiment of the present application; Figure 8is a structural schematic view of the positioning member in the embodiment of the present application; Figure 9 is a structural schematic view of the second carrying member in the embodiment of the present application; Figure 10 is a structural schematic view of the third carrying member in the embodiment of the present application.

[0018] The figure mark: frame body 100, storage frame 110, coaming 111, conveying line 200, first carrying member 300, second material taking assembly 310, second material taking head 311, first material taking assembly 320, first material taking head 321, leveling member 400, mounting frame 410, guide rod 420, driving cylinder 430, leveling piece 440, transfer member 500, base 510, first storage platform 520, second storage platform 530, second belt assembly 540, first belt assembly 550, second carrying member 600, frame 610, first sliding piece 620, third belt structure 630, third motor 640, second sliding piece 650, fourth motor 660, third sliding piece 670, mounting plate 680, fixed plate 690, boxing line 700, third carrying member 800, module plate 810, fourth sliding piece 820, sixth motor 830, seventh motor 840, fifth sliding piece 850, mounting seat 860, limiting piece 870, positioning member 900, positioning platform 910, first limiting plate 920, second limiting plate 930, leveling groove 950, driving piece 960, partition plate 1001, can 1002. DETAILED DESCRIPTION

[0019] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as the limitation of the protection scope of the present application.

[0020] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as the limitation of the present application.

[0021] In the description of the present application, the meaning of one or more is one or more, the meaning of multiple is more than two, greater than, less than, more than, etc. Understand as not including the number, above, below, within, etc. Understand as including the number. If it is described to the first, the second is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0022] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and those skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0023] Reference Figures 1 to 4 The shaped can carrying device of the embodiment of the present application comprises a leveling member 400, a first carrying member 300, a transfer member 500, a positioning member 900, a second carrying member 600 and a third carrying member 800.

[0024] The leveling member 400 is arranged at the placing position of the can stack, and the leveling member 400 can adjust the position in the vertical direction. The leveling member 400 is used to center and flatten the can group on the uppermost layer of the can stack, so that the first carrying member 300 can more stably take away the can group on the uppermost layer of the can stack.

[0025] The first carrying member 300 is arranged above the placing position of the can stack, wherein the first carrying member 300 comprises a first material taking assembly 320 and a second material taking assembly 310 capable of linear reciprocating motion in the horizontal direction. The first material taking assembly 320 can take away the can group on the uppermost layer of the can stack, and the second material taking assembly 310 is used to take away the baffle 1001 on the uppermost layer of the can stack, so that the first material taking assembly 320 can not be affected by the baffle 1001 when taking material next time.

[0026] The transfer member 500 is provided with a material receiving position and a material storage position, and the transfer member 500 comprises two layers of storage platforms at different horizontal heights. The storage platforms can reciprocate between the material receiving position and the material storage position. The storage platform located at the material receiving position can receive the can group dropped from the first material taking assembly 320. Among them, the storage platform receiving the can group runs to the material storage position to wait to be taken away, and then another material dropping platform runs to the material receiving position to wait to receive the can group. By setting two storage platforms to alternately run, one can receive material while the other can store material, realizing collaborative work and avoiding the occurrence of empty period in the storage position to affect production efficiency.

[0027] The positioning member 900 comprises at least one leveling groove 950 with adjustable width, and the leveling groove 950 is provided with a plurality of leveling positions. The posture adjustment of the can 1002 is realized by adjusting the width of the leveling groove 950.

[0028] The second conveying member 600 comprises a third taking assembly capable of moving to and from the positioning member 900 and the storage position, and is used for taking the cans 1002 on the storage platform and transferring them to the leveling groove 950, so as to level the received cans 1002 into a group of cans with the same posture through the leveling groove 950, and then convey the cans 1002 with the adjusted posture on the leveling groove 950 to the boxing line 700 through the third conveying member 800 to complete boxing.

[0029] When the cans 1002 are conveyed and boxed, the cans are placed on the storage position, and then the leveling member 400 moves to the uppermost group of cans of the can stack, and the uppermost group of cans of the can stack is centered and leveled through the leveling member 400, so as to avoid that the posture difference of the cans 1002 in the same layer is too large to cause deviation when the first taking assembly 320 takes the cans. After the first taking assembly 320 accurately takes the cans 1002 in the same layer, the second taking assembly 310 takes the baffle 1001 on the uppermost layer of the can stack, and the two storage platforms at different horizontal heights of the transfer member 500 continuously receive the groups of cans conveyed by the first taking assembly 320, so that the storage position always has cans 1002 to be taken, and the continuous production is ensured. Then, the second conveying member 600 orderly conveys the groups of cans on the storage position to the leveling groove 950 for the final posture adjustment of the cans, and finally the third conveying member 800 conveys the cans 1002 on the leveling groove 950 to the boxing line 700 for rapid boxing.

[0030] The leveling member 400 is added to ensure stable conveying of the cans 1002 from the can stack to the transfer platform, and the leveling groove 950 with adjustable width on the positioning member 900 is used to finally arrange, position and adjust the posture of the cans 1002, so that the transfer of the cans 1002 is more stable, and the production efficiency is effectively improved.

[0031] As shown in FIG. 1, Figure 4 The first conveying member 300 comprises a first linear module, which drives the first taking assembly 320 and the second taking assembly 310 to move linearly back and forth. The first linear module can be composed of a linear motor and a guide rail, or can be composed of a servo motor and a guide rail.

[0032] In some specific embodiments, the first taking assembly 320 comprises a first taking head 321 capable of moving in the vertical direction, and the second taking assembly 310 comprises a second taking head 311 capable of moving in the vertical direction. In specific embodiments, the first taking assembly 320 and the second taking assembly 310 each comprise a second linear module, which drives the taking head to move linearly back and forth in the vertical direction.

[0033] In the embodiments shown in the application, the first material taking head 321 and the second material taking head 311 are each provided with a plurality of arrayed vacuum nozzles, and the vacuum negative pressure and the vacuum nozzles are matched to realize the grabbing of the baffle 1001 and the can 1002. The arrangement of the vacuum nozzles is set according to the arrangement of the can 1002, and the number of the vacuum nozzles for adsorbing the baffle 1001 is less than the number of the vacuum nozzles for adsorbing the can 1002.

[0034] As shown in Figure 1 , Figure 2 , the special-shaped can carrying device in the embodiments of the application further comprises a storage frame 110, and the storage frame 110 is used to store the baffle 1001 grabbed from the second material taking assembly 310.

[0035] Specifically, as shown in Figure 5 , the storage frame 110 comprises three surrounding plates 111, and the three surrounding plates 111 form a rectangular space with one side open. In order to facilitate the smooth placement of the baffle 1001, the upper part of the surrounding plate 111 is inclined outward to form a guide slope.

[0036] As shown in Figure 6 , the leveling member 400 comprises two oppositely arranged leveling pieces 440, and the two leveling pieces 440 can approach each other or move away from each other. The leveling piece 440 is used to push against one side of the length direction of the can 1002. Normally, the arrangement direction of each layer of cans 1002 is consistent, but during the conveying process, the cans 1002 are prone to deviation or excessive attitude change, which can cause the first material taking head 321 to fail to smoothly suck. By pushing the two leveling pieces 440 against one side of the length direction of the can 1002, the edge can 1002 drives other cans 1002 to approach and fit to the center of the can stack. Since the curvature of the middle part of one side of the length direction of the can 1002 is small, all the cans 1002 can be closely fitted to complete the attitude adjustment.

[0037] The leveling member 400 comprises a mounting frame 410, and the mounting frame 410 is provided with a driving cylinder 430 and two oppositely arranged guide rods 420. The two ends of the leveling piece 440 are respectively sleeved on the guide rods 420, and the guide rods 420 guide the leveling piece 440. The driving cylinder 430 drives the leveling piece 440 to approach each other or move away from each other.

[0038] In some embodiments, the special-shaped can carrying device further comprises a frame body 100 and a first driving member. At least two ends of the leveling member 400 are provided with a sliding structure, and the frame body 100 is provided with a guide column matched with the sliding structure. The first driving member is used to adjust the horizontal height of the leveling member 400.

[0039] Specifically, the guide post is a rectangular column, and the sliding structure includes two sets of pulleys, which respectively abut two adjacent sides of the guide post. The pulleys prevent the leveling component 400 from detaching from the guide post, and in conjunction with the first driving component, drive the leveling component 400 to rise or fall. In this embodiment, the first driving component is a motor and belt drive structure. The motor drives the belt of the belt drive structure to rotate, and the mounting frame 410 of the leveling component 400 is fixed to the belt.

[0040] in, Figure 7 The diagram shows the structure of the transfer component 500, which includes a base 510. A storage platform is slidably mounted on the base 510 via a guide rail. The base 510 is equipped with a first motor, a second motor, a first belt assembly 550, and a second belt assembly 540. The first belt assembly 550 and the first motor work together to drive the first storage platform 520 to perform linear reciprocating motion. The second belt assembly 540 and the second motor work together to drive the second storage platform 530 to perform linear reciprocating motion.

[0041] like Figure 8 As shown, V-shaped notches are arranged in an array on both sides of the leveling groove 950. The V-shaped notches are used to position the ends of the cans 1002, so that the cans 1002 placed in the leveling groove 950 can be neatly arranged, which is convenient for the third conveying component 800 to grasp.

[0042] In some embodiments, the positioning component 900 includes a positioning platform 910, a first limiting plate 920, a second limiting plate 930, and a driving component 960. The first limiting plate 920 is fixedly disposed on the positioning platform 910, and the second limiting plate 930 is slidably disposed on the positioning platform 910. Specifically, the second limiting plate 930 is slidably disposed on the positioning platform 910 via a linear guide rail. In use, the driving component 960 drives the second limiting plate 930 to move closer to or away from the first limiting plate 920, thereby forming a leveling groove 950 with an adjustable width. V-shaped notches are provided on the opposite sides of the second limiting plate 930 and the first limiting plate 920. The V-shaped notches can effectively position the ends of the cans 1002. The arrangement of multiple sets of V-shaped notches allows more cans 1002 to be leveled at once.

[0043] When the distance between the first limiting plate 920 and the second limiting plate 930 is adjusted to the minimum, the V-shaped notch can hold the end of the can 1002. When the third conveying component 800 comes to pick up the material, the second limiting plate 930 moves away from the first limiting plate 920 under the action of the driving component 960, wherein the driving component 960 is a cylinder.

[0044] In the embodiments of this application, such as Figure 8As shown, there are two second limiting plates 930, and the two second limiting plates 930 are respectively set on both sides of the first limiting plate 920. The two second limiting plates 930 form two leveling grooves 950 so that more cans 1002 can be adjusted in posture.

[0045] In some embodiments, such as Figure 9 As shown, the third material handling assembly includes a third material handling head that can move vertically. The third material handling head is provided with two rows of vacuum nozzles for adsorbing cans 1002. The distance between the two rows of vacuum nozzles can be adjusted to be the same as the distance between the two leveling grooves 950, so that the two sets of cans 1002 picked up from the storage platform can be adjusted to be the same as the distance between the two leveling grooves 950.

[0046] In some specific embodiments, the second conveying component 600 includes a third linear module and a fourth linear module. The third linear module includes a frame 610, a third belt structure 630, a first sliding member 620, and a third motor 640. The first sliding member 620 is slidably mounted on the frame 610 via a linear guide rail. The third motor 640 cooperates with the third belt structure 630 to drive the first sliding member 620 to perform horizontal linear reciprocating motion. The fourth linear module is mounted on the first sliding member 620.

[0047] The fourth linear module includes a second sliding member 650 and a fourth motor 660. The second sliding member 650 is slidably disposed on the first sliding member 620 via a linear guide rail. The sliding direction of the second sliding member 650 is perpendicular to the sliding direction of the first sliding member 620. The fourth motor 660 drives the second sliding member 650 to slide in the horizontal direction via a gear and rack structure. The third material handling component is fixed to the second sliding member 650.

[0048] The third material handling assembly also includes a third sliding member 670 and a fifth motor. The third sliding member 670 is slidably disposed on the second sliding member 650 via a sliding groove. A rack is provided on the third sliding member 670. The fifth motor is fixed to the second sliding member 650. A gear that meshes with the rack is provided on the motor shaft of the fifth motor. The third material handling head is disposed at the end of the third sliding member 670. The entire second conveying component 600 is fixed on the frame 100.

[0049] In some specific embodiments, such as Figure 9 As shown, the third feeding head includes a mounting plate 680, a fixing plate 690, and a driving cylinder 430. The mounting plate 680 is fixed to the third sliding member 670. There are two fixing plates 690, which are slidably disposed on the mounting plate 680. Two rows of vacuum nozzles are respectively disposed on the fixing plates 690. The driving cylinder 430 drives the two fixing plates 690 to move closer or further apart to adjust the distance between the two rows of vacuum nozzles.

[0050] In some embodiments, such as Figure 10 As shown, the third conveying component 800 includes a fifth linear module and a sixth linear module. The fifth linear module includes a module plate 810, a fourth sliding member 820, and a sixth motor 830. The fourth sliding member 820 is slidably mounted on the module plate via a linear guide rail. The sixth motor 830 is fixed to the fourth sliding member 820 and connected to the module plate via a gear and rack, thereby driving the fourth sliding member 820 to perform linear reciprocating motion in the horizontal direction. The sixth linear module includes a fifth sliding member 850 and a seventh motor 840. The fifth sliding member 850 is slidably mounted on the fourth sliding member 820. The seventh motor 840 is fixed to the fourth sliding member 820 and connected to the fifth sliding member 850 via a gear and rack, thereby driving the fifth sliding member 850 to perform linear reciprocating motion in the vertical direction.

[0051] The third conveying component 800 includes a fourth picking head, which includes a mounting base 860 and a vacuum nozzle. The mounting base 860 is also provided with a limiting member 870 to prevent the vacuum nozzle from deviating.

[0052] In some specific embodiments, to facilitate the loading of can stacks, the irregular can handling device of this application embodiment also includes a conveyor line 200, through which the can stacks are transported to the placement position.

[0053] This application also provides a canning production line, including the aforementioned irregularly shaped can handling device.

[0054] The embodiments of this application have been described in detail above with reference to the accompanying drawings. However, this application is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this application.

Claims

1. A device for handling irregularly shaped cans, characterized by: The device comprises a flattening member arranged at the position of the stack of cans, which is capable of adjusting the position in the vertical direction, and is used for centering and flattening the uppermost stack of cans; The first carrying member is arranged above the position of the stack of cans, and comprises a first material taking assembly and a second material taking assembly capable of linear reciprocating motion in the horizontal direction, the first material taking assembly is capable of taking away the uppermost stack of cans, and the second material taking assembly is used for taking away the uppermost baffle of the stack of cans; The transfer member is provided with a receiving position and a storage position, and comprises two layers of storage platforms at different horizontal heights, which are capable of reciprocating between the receiving position and the storage position, and the storage platform at the receiving position is capable of receiving the stack of cans dropped from the first material taking assembly; The positioning member comprises at least one flattening groove with adjustable width; The second carrying member comprises a third material taking assembly, which is capable of reciprocating between the positioning member and the storage position, and is used for taking away the cans on the storage platform and transferring them to the flattening groove, so as to flatten the received cans into a stack of cans with the same posture; The third carrying member is used for carrying the cans on the flattening groove to the boxing line. The flattening member comprises two oppositely arranged flattening members, which are capable of approaching or moving away from each other, and are used for pushing against one side of the length direction of the cans.

2. The irregularly shaped can carrier according to claim 1, wherein: The device further comprises a frame body and a first driving member, at least two ends of the flattening member are provided with sliding structures, the frame body is provided with guide columns matched with the sliding structures, and the horizontal height of the flattening member is adjusted by the first driving member.

3. A device for handling irregularly shaped cans as claimed in claim 2, characterized in that: The guide column is a rectangular column, and the sliding structure comprises two groups of pulley blocks, which are respectively matched with two adjacent sides of the guide column.

4. The irregularly shaped can carrier as defined in claim 3, wherein: The first material taking assembly comprises a first material taking head capable of moving in the vertical direction, and the second material taking assembly comprises a second material taking head capable of moving in the vertical direction, and the first material taking head and the second material taking head are respectively provided with a plurality of arrayed vacuum nozzles.

5. The irregularly shaped can carrier of claim 1, wherein: The two side walls of the flattening groove are respectively provided with V-shaped notches for positioning the end of the can.

6. The irregularly shaped can carrier of claim 1, wherein: The positioning member comprises a positioning platform, a first limiting plate, a second limiting plate and a driving member, the first limiting plate is fixedly arranged on the positioning platform, the second limiting plate is slidably arranged on the positioning platform, the second limiting plate is driven by the driving member to approach or move away from the first limiting plate, so as to form the flattening groove, and the side of the second limiting plate and the first limiting plate facing each other is provided with the V-shaped notch.

7. A device for handling irregularly shaped cans as claimed in claim 6, characterized in that: The second limiting plate comprises two pieces, and the two pieces of the second limiting plate are respectively arranged on the two sides of the first limiting plate.

8. The irregularly shaped can carrier as defined in claim 7, wherein: The third material taking assembly comprises a third material taking head capable of moving in the vertical direction, the third material taking head is provided with two rows of vacuum nozzles for adsorbing cans, and the distance between the two rows of vacuum nozzles is adjustable to the same distance between the two flattening grooves.

9. A device for handling irregularly shaped cans as claimed in claim 8, characterized in that: The device comprises the special-shaped can carrying device according to any one of claims 1 to 9.

10. A can production line characterized by: ​

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